Why knot meters on sailboats often have a bias when on either a port or starboard tack that significantly changes the reading. Describes why this happens and how to calibrate your own knot meter.
This video is part of the series "How Sails Really Work"
1) Introduction • How Sails Really Work ...
2) Jib and Mainsail • Video
3) Velocity Made Good (VMG) • How Sails Really Work ...
4) Reefing the Mainsail • How sails really work ...
5) Sail Shape • How Sails Really Work ...
6) Building your own Chartplotter with a Raspberry Pi and OpenCPN
• Building your own Char...
8) Sail Trim - A Conceptual Model • Sail Trim - A Conceptu...